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» Vacuum tubes by use » OTHER tubes » 6N21B double triode miniature tube
6N21B double triode miniature tube
Manufacturer: Novosibirsk factory
$3.00/ea
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  • Name: 6N21B;
  • Type: Double triode, hi-durable;
  • Application: LF voltage amplification;
  • Cathode type: oxide, indirect heating;
  • Envelope: glass, miniature;
  • Mass, g: 4,5;
  • Filament voltage, V: 6,3;
  • Filament current, A: 0,36-0,43;
  • Anode voltage, V: 200;
  • Anode current, A: 0,0035;
  • Anode power, W: 1;
  • Steepness, mA/V: 2,6-4,0;
  • Reverse grid current, uA: 0,2;
  • Microphnic noise, mV: 15;
  • Gain: 65-100;
  • Socket type flexible;
  • Lifetime: more 2000 hours.
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